40204644215104 has 28 divisors (see below), whose sum is σ = 79922798024544. Its totient is φ = 20066616366464.

The previous prime is 40204644215101. The next prime is 40204644215201. The reversal of 40204644215104 is 40151244640204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204644215101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557865892 + ... + 557937955.

Almost surely, 2^{40204644215104} is an apocalyptic number.

It is an amenable number.

40204644215104 is a deficient number, since it is larger than the sum of its proper divisors (39718153809440).

40204644215104 is a wasteful number, since it uses less digits than its factorization.

40204644215104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115804422 (or 1115804412 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 40204644215104 its reverse (40151244640204), we get a palindrome (80355888855308).

The spelling of 40204644215104 in words is "forty trillion, two hundred four billion, six hundred forty-four million, two hundred fifteen thousand, one hundred four".